Noun

(en noun)

An organ in the body that filters the blood, producing urine.

* {{quote-magazine, title=A better waterworks, date=2013-06-01, volume=407, issue=8838

, page=5 (Technology Quarterly), magazine=(The Economist) citation , passage=An artificial kidney' these days still means a refrigerator-sized dialysis machine. Such devices mimic the way real ' kidneys cleanse blood and eject impurities and surplus water as urine.}}

This organ (of an animal) cooked as food.

Constitution, temperament, nature, type, character, disposition. (usually used of people)

*

Falstaff: " &

0133; think of that, – a man of my kidney, – think of that, …"

* L'Estrange

millions in the world of this man's kidney

* Burns

Your poets, spendthrifts, and other fools of that kidney , pretend, forsooth, to crack their jokes on prudence.

* '>citation

(obsolete, slang) A waiter.

(Tatler)

Noun

(en noun)

(anatomy) A biological organ that extracts oxygen from the air.

* , chapter=7

, title= Mr. Pratt's Patients , passage=I made a speaking trumpet of my hands and commenced to whoop “Ahoy!” and “Hello!” at the top of my lungs . […] The Colonel woke up, and, after asking what in brimstone was the matter, opened his mouth and roared “Hi!” and “Hello!” like the bull of Bashan.}}